Purity > 90% as determined by SDS-PAGE. MW: 19.1kDa. partial: 27-155aa. N-terminal 6xHis-tagged. Mus musculus (Mouse). Produced by lymphocytes activated by specific antigens or mitogens. IFN-gamma, in addition to having antiviral activity, has important immunoregulatory functions. It is a potent activator of macrophages, it has antiproliferative effects on transformed cells and it can potentiate the antiviral and antitumor effects of the type I interferons.